Laboratory evaporator device



FIG. 1 is a perspective view of my laboratory evaporator device;

FIG. 2 is a front view thereof;

FIG. 3 is a right side elevational view thereof, with the left side elevational view being a substantial mirror image thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for a laboratory evaporator device, as shown and described. 